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01 Record

CVE-2020-26834

SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token

MediumPUBLISHEDCNA: sap
CNA base score4.2 CVSS v3.xCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
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02 Description

SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.69% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 52.5% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-12-09 16:30Z5 YR AGO
Last updated
2024-08-04 16:03Z2 YR AGO
Reserved
2020-10-07
Assigning CNA
sap
Record state
PUBLISHED
Severity
Medium (CVSS 4.2)
CNA CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses
  • CWE-287Improper AuthenticationClass
Data version
5.1
Document digest
d3f9e433eb44d4b4f14a7f12fcf2c523a2e11add867bab8814107a5d1e0fb721

05 Affected products

VendorProductVersionsPlatforms
SAP SESAP HANA Database< 2.0—

06 References